CVE-2026-1431Network attack vector

Unauthenticated booking-data disclosure via unchecked AJAX action

Published Jan 31, 2026 · Updated Jan 31, 2026

Missing authorization in wpdevelop Booking Calendar 10.14.13 and earlier allows remote attackers to read customers' booking details. The WordPress AJAX action wpbc_ajax_WPBC_FLEXTIMELINE_NAV() returns timeline booking records without checking caller capabilities. No account is required; exposed records include customer names, phone numbers, and email addresses, with no reported write or service-interruption impact.

CVSS severity5.3
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in wpdevelop Booking Calendar 10.14.13 and earlier allows remote attackers to read customers' booking details. The WordPress AJAX action wpbc_ajax_WPBC_FLEXTIMELINE_NAV() returns timeline booking records without checking caller capabilities. No account is required; exposed records include customer names, phone numbers, and email addresses, with no reported write or service-interruption impact.

The record

CVE
CVE-2026-1431
Published
Jan 31, 2026
Updated
Jan 31, 2026
Vendor
wpdevelop
Product
Booking Calendar
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 31, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 31, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=10.14.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

wpdevelop · Booking Calendarversion=* <=10.14.13

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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